Container cover



FIG. 1 is a front perspective view of a container cover;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a right side elevation view thereof;

FIG. 4 is a top plan view thereof; and,

FIG. 5 is a bottom plan view thereof.

The broken lines are included for the purpose of illustrating portions of the container cover that form no part of the claimed design. 

CLAIM The ornamental design for a container cover, as shown and described. 